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ARM: imx: dynamically allocate imx2-wdt devices 

Currently there is no platform data used in the driver.  In case this
changes and for consistency NULL is passed unused to the soc specific
functions.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
This commit is contained in:
Uwe Kleine-König 2010-11-04 10:09:10 +01:00
parent b2997cb12b
commit e0a1961df8
12 changed files with 64 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm/mach-imx/Kconfig
View File

@ -95,6 +95,7 @@ config MACH_MX27ADS
config MACH_PCM038
bool "Phytec phyCORE-i.MX27 CPU module (pcm038)"
select IMX_HAVE_PLATFORM_IMX2_WDT
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
@ -121,6 +122,7 @@ endchoice
config MACH_CPUIMX27
bool "Eukrea CPUIMX27 module"
select IMX_HAVE_PLATFORM_IMX2_WDT
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
select IMX_HAVE_PLATFORM_MXC_NAND
@ -185,6 +187,7 @@ config MACH_IMX27LITE
config MACH_PCA100
bool "Phytec phyCARD-s (pca100)"
select IMX_HAVE_PLATFORM_IMX2_WDT
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_SSI
select IMX_HAVE_PLATFORM_IMX_UART

4
arch/arm/mach-imx/devices-imx21.h
View File

@ -9,6 +9,10 @@
#include <mach/mx21.h>
#include <mach/devices-common.h>
extern const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst;
#define imx21_add_imx2_wdt(pdata) \
imx_add_imx2_wdt(&imx21_imx2_wdt_data)
extern const struct imx_imx_i2c_data imx21_imx_i2c_data __initconst;
#define imx21_add_imx_i2c(pdata) \
imx_add_imx_i2c(&imx21_imx_i2c_data, pdata)

4
arch/arm/mach-imx/devices-imx27.h
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@ -13,6 +13,10 @@ extern const struct imx_fec_data imx27_fec_data __initconst;
#define imx27_add_fec(pdata) \
imx_add_fec(&imx27_fec_data, pdata)
extern const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst;
#define imx27_add_imx2_wdt(pdata) \
imx_add_imx2_wdt(&imx27_imx2_wdt_data)
extern const struct imx_imx_i2c_data imx27_imx_i2c_data[] __initconst;
#define imx27_add_imx_i2c(id, pdata) \
imx_add_imx_i2c(&imx27_imx_i2c_data[id], pdata)

16
arch/arm/mach-imx/devices.c
View File

@ -77,22 +77,6 @@ int __init imx1_register_gpios(void)
#endif
#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
/* Watchdog: i.MX1 has seperate driver, i.MX21 and i.MX27 are equal */
static struct resource mxc_wdt_resources[] = {
{
.start = MX2x_WDOG_BASE_ADDR,
.end = MX2x_WDOG_BASE_ADDR + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device mxc_wdt = {
.name = "imx2-wdt",
.id = 0,
.num_resources = ARRAY_SIZE(mxc_wdt_resources),
.resource = mxc_wdt_resources,
};
/*
* lcdc:
* - i.MX1: the basic controller

1
arch/arm/mach-imx/devices.h
View File

@ -1,5 +1,4 @@
#if defined(CONFIG_MACH_MX21) || defined(CONFIG_MACH_MX27)
extern struct platform_device mxc_wdt;
extern struct platform_device mxc_fb_device;
extern struct platform_device mxc_pwm_device;
extern struct platform_device mxc_sdhc_device0;

2
arch/arm/mach-imx/mach-cpuimx27.c
View File

@ -157,7 +157,6 @@ cpuimx27_nand_board_info __initconst = {
static struct platform_device *platform_devices[] __initdata = {
&eukrea_cpuimx27_nor_mtd_device,
&mxc_wdt,
};
static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = {
@ -261,6 +260,7 @@ static void __init eukrea_cpuimx27_init(void)
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
imx27_add_imx2_wdt(NULL);
imx27_add_mxc_w1(NULL);
#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)

6
arch/arm/mach-imx/mach-pca100.c
View File

@ -171,10 +171,6 @@ pca100_nand_board_info __initconst = {
.hw_ecc = 1,
};
static struct platform_device *platform_devices[] __initdata = {
&mxc_wdt,
};
static const struct imxi2c_platform_data pca100_i2c1_data __initconst = {
.bitrate = 100000,
};
@ -432,7 +428,7 @@ static void __init pca100_init(void)
mxc_register_device(&mxc_fb_device, &pca100_fb_data);
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
imx27_add_imx2_wdt(NULL);
imx27_add_mxc_w1(NULL);
}

2
arch/arm/mach-imx/mach-pcm038.c
View File

@ -173,7 +173,6 @@ pcm038_nand_board_info __initconst = {
static struct platform_device *platform_devices[] __initdata = {
&pcm038_nor_mtd_device,
&pcm038_sram_mtd_device,
&mxc_wdt,
};
/* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
@ -325,6 +324,7 @@ static void __init pcm038_init(void)
imx27_add_fec(NULL);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
imx27_add_imx2_wdt(NULL);
imx27_add_mxc_w1(NULL);
#ifdef CONFIG_MACH_PCM970_BASEBOARD

3
arch/arm/plat-mxc/devices/Kconfig
View File

@ -13,6 +13,9 @@ config IMX_HAVE_PLATFORM_GPIO_KEYS
bool
default y if ARCH_MX51
config IMX_HAVE_PLATFORM_IMX2_WDT
bool
config IMX_HAVE_PLATFORM_IMX_I2C
bool

1
arch/arm/plat-mxc/devices/Makefile
View File

@ -2,6 +2,7 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_ESDHC) += platform-esdhc.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_FEC) += platform-fec.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_GPIO_KEYS) += platform-gpio_keys.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX2_WDT) += platform-imx2-wdt.o
obj-y += platform-imx-dma.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_I2C) += platform-imx-i2c.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_SSI) += platform-imx-ssi.o

40
arch/arm/plat-mxc/devices/platform-imx2-wdt.c Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License version 2 as published by the
* Free Software Foundation.
*/
#include <asm/sizes.h>
#include <mach/hardware.h>
#include <mach/devices-common.h>
#define imx_imx2_wdt_data_entry_single(soc) \
{ \
.iobase = soc ## _WDOG_BASE_ADDR, \
}
#ifdef CONFIG_SOC_IMX21
const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst =
imx_imx2_wdt_data_entry_single(MX21);
#endif /* ifdef CONFIG_SOC_IMX21 */
#ifdef CONFIG_SOC_IMX27
const struct imx_imx2_wdt_data imx27_imx2_wdt_data __initconst =
imx_imx2_wdt_data_entry_single(MX27);
#endif /* ifdef CONFIG_SOC_IMX27 */
struct platform_device *__init imx_add_imx2_wdt(
const struct imx_imx2_wdt_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
return imx_add_platform_device("imx2-wdt", 0,
res, ARRAY_SIZE(res), NULL, 0);
}

6
arch/arm/plat-mxc/include/mach/devices-common.h
View File

@ -43,6 +43,12 @@ struct platform_device *__init imx_add_flexcan(int id,
struct platform_device *__init imx_add_gpio_keys(
const struct gpio_keys_platform_data *pdata);
struct imx_imx2_wdt_data {
resource_size_t iobase;
};
struct platform_device *__init imx_add_imx2_wdt(
const struct imx_imx2_wdt_data *data);
#include <mach/i2c.h>
struct imx_imx_i2c_data {
int id;